Date: Mon, 7 Jan 2013 09:10:34 +0100 From: Stefan Farfeleder <stefanf@FreeBSD.org> To: David Chisnall <theraven@freebsd.org> Cc: freebsd-current@freebsd.org, Dimitry Andric <dim@freebsd.org>, Nathan Whitehorn <nwhitehorn@freebsd.org> Subject: Re: clang 3.2 RC2 miscompiles libgcc? Message-ID: <20130107081033.GA1446@mole.fafoe.narf.at> In-Reply-To: <78AC11F6-7AAE-449D-9ED1-DB5B207152DA@freebsd.org> References: <20121227150724.GA1431@mole.fafoe.narf.at> <50DC65F5.6060004@freebsd.org> <50E0BD66.4070609@FreeBSD.org> <20130102135950.GA1464@mole.fafoe.narf.at> <20130104154940.GD1430@mole.fafoe.narf.at> <20130106141708.GA1418@mole.fafoe.narf.at> <EA4BC8F5-A501-4E4A-A223-7572B9A65758@FreeBSD.org> <50E9AAF4.209@freebsd.org> <78AC11F6-7AAE-449D-9ED1-DB5B207152DA@freebsd.org>
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On Sun, Jan 06, 2013 at 04:51:11PM +0000, David Chisnall wrote: > On 6 Jan 2013, at 16:48, Nathan Whitehorn wrote: > > > No. It's completely broken at all optimization levels. There do not > > appear to be any flags that change the behavior. Building unwind-dw2.c > > either with gcc or with the previous import of clang in our tree does > > fix it, however. > > Do you have an LLVM PR# for this that I can follow? There's http://llvm.org/bugs/show_bug.cgi?id=8541 which I think should be reopened. Stefan
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